Hallmarked: 18ct Gold 
Makers Mark: ZJ
Assay Office: London 
Date: 1988
Weight: 3.6g
Size: UK N US 7 EU55
Aquamarine: 8mm x 5.5mm
Diamonds: 16 x 1.5mm
Good clean Vintage condition.  Boxes in pictures are not included. Resizing available.